JPH0620818U - Foldable locking device - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a folding type locking device that maintains strength and is not bulky when stored or carried. [Structure] Two J-shaped rod members 110 and 120
A locking device including a locking rod 100 and a main body 300 that are joined together by a foldable joining member 150. When unlocking, the locking rod 100 is pulled out from the main body 300, and the locking rod 100 is folded by the coupling member 150. The large locking rod 100 is compact and convenient for storage and transportation. Moreover, the hard rods 110, 1
Since it is composed of 20 and the connecting member 150, the strength is not impaired as compared with a normal locking rod.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a loop-shaped locking device used to prevent theft of bicycles and motorcycles.

[0002]

[Prior art]

 BACKGROUND ART Conventionally, there is known a locking device that locks a U-shaped locking rod having a locking portion by locking it in a main body and joining the locking rod in a loop shape. These are used to prevent theft of bicycles, motorcycles, etc. by mounting them on wheels to prevent them from rotating or by connecting their handrails to utility poles.

[0003]

[Problems to be solved by the device]

 However, these locking devices need to have a certain size in order to be attached to the wheels of bicycles and motorcycles, their handrails, etc. and utility poles, but they are bulky and inconvenient for storage and transportation. there were. For this reason, chains and other non-bulky ones have been used, but they were not satisfactory in strength as a locking device for theft prevention.

An object of the present invention is to solve the above problems and to provide a foldable locking device that maintains strength and is not bulky when stored or carried.

[0005]

[Means for Solving the Problems]

 The folding type locking device of the present invention is a loop type locking device, wherein a locking rod formed by connecting at least two rod members by a foldable connecting member and a rod member at both ends of the locking rod are locked. It has a main body and

[0006]

[Action]

 In the folding type locking device of the present invention having the above structure, the locking rod is composed of two or more rod members, and the rod members are respectively coupled by the foldable coupling members. Therefore, when the lock rod is released from the main body during unlocking, the locking rod forming most of the large loop can be folded at the coupling member to reduce the bulk.

[0007]

【Example】

 In order to further clarify the configuration and operation of the present invention described above, a preferred embodiment of the folding type locking device of the present invention will be described below with reference to the drawings. FIG. 1 is a front view showing the folding type locking device of the present embodiment at the time of locking. The locking device includes a locking rod 100 and a main body 300 that locks and locks the locking rod 100. FIG. 2 is a front view of the folding type locking device of the present embodiment when unlocking. FIG. 3 is an explanatory view of the locking rod 100 in a folded state, (a) is a right side view thereof, and (b) is a rear view thereof. Further, FIG. 4 is a vertical cross-sectional view of the folding type locking device of the present embodiment at the time of locking.

The locking rod 100 has a U-shape as a whole, in which two J-shaped rod members 110 and 120 are connected by a connecting member 150. The two rod members 110 and 120 are covered with synthetic resin covers 112 and 122 around the shaft portions 111 and 121 made of metal. Protruding plates 113 and 123 are provided at the tip ends in the curved direction, and holes 114 and 124 are provided in the center of the projecting plates 113 and 123 from top to bottom. Locking portions 115 and 125 to be inserted into the main body 300 are provided at the other tip portion. The engaging portions 115 and 125 are provided with recesses 116 and 126 respectively at their ends.

The coupling member 150 includes a U-shaped metal fitting 155 and two tacks 180 and 190. FIG. 5 is a perspective view showing the metal fitting 155. The metal fitting 155 has a shape in which two flat plates 160 and 170 are connected to each other by a connecting portion 165 at the rear, and the two flat plates 160 and 170 have a total of one piece to the right and one piece to the left from the center. Four coupling holes 162, 163, 172, 173 are provided.

The two tacks 180 and 190 are provided with hemispherical heads 181 and 191 at one end, and the other is a cylindrical rod. The locking rod 100 is formed by joining the rod members 110 and 120 with the joining member 150 as follows. The two flat plates 160 and 170 of the metal fitting 155 are arranged above and below the projecting plates 113 and 123 of the two rod members 110 and 120 arranged in a U shape, and the holes 114 of the projecting plates 113 and 123, respectively. The holes 124 and the connecting holes 162, 172; Next, the fitting holes 162 and 163 of the flat plate 160 of the metal fitting 155, the holes 114 and 124 of the projecting plates 113 and 123, and the fitting holes 172 and 173 of the flat plate 170 of the metal fitting 155 are aligned respectively. The two tacks 180, 190 are respectively penetrated with the heads 181, 191 facing upward, and the lower portions are caulked and fastened. As a result, the two rod members 110 and 120 are joined. Here, the two tacks 180, 190 are not easily removable because the upper parts are heads 181, 191 and the lower parts are caulked and fastened. The rod members 110 and 120 are swingably coupled to each other by the coupling member 150.

The main body 300 has a cylindrical shape, and includes a metal cylindrical cylindrical center portion 310 and a lock mechanism 320 inside thereof. The circumference of the shaft center portion 310 is covered with a cover 311 made of a soft synthetic resin. In addition, two joint openings 312 and 313, into which the locking rod 100 is inserted and joined, are provided vertically in the longitudinal direction at the same intervals as both the locking portions 115 and 125 of the locking rod 100. There is.

The locking mechanism 320 is provided with a central hole 321, a bar member 322, and an unlocking operation section 323. The central hole 321 has a diameter smaller than those of the joint ports 312 and 313, is orthogonal to the joint ports 312 and 313, and is formed so as to penetrate the joint ports 312 and 313. A rod member 322 having a rectangular cross section is swingably inserted into the central hole 321, and one end of the rod member 322 is connected to an unlocking operation unit 323 for swinging the rod member 322. Further, the bar 322 is provided with projections 322a and 322b at both ends, and locks both locking portions 115 and 125 inserted from both joint ports 312 and 313 when locking. The unlocking operation unit 323 is provided with a lock hole 324 into which the lock 600 is inserted at the end.

The locking operation is performed as follows. By inserting the locking rod 100 into the main body 300, inserting the lock 600 into the lock hole 324 of the unlocking operation unit 323, and rotating in the locking direction, the rod 322 connected to the unlocking operation unit 323 is shown in FIG. Position, that is, the two protrusions 322a and 322b of the rod 322 are moved into a state where they are fitted in the both recesses 116 and 126, and the both recesses 116 and 126 are locked by the both protrusions 322a and 322b of the rod 322. The locking rod 100 and the main body 300 cannot be separated from each other. Similarly to this operation, the lock 600 is inserted into the lock hole 324 and rotated in the unlocking direction, that is, in the direction opposite to the locking direction to move the rod 322 from the position shown in FIG. The protrusions 322a and 322b of the bar 322 may be projected from the recesses 116 and 126 to release the locking, and the locking rod 100 may be removed from the main body 300.

When the locking rod 100 is disengaged from the main body 300 at the time of unlocking, as shown in FIG. 3, the locking rod 100 is folded by the coupling member 150 at substantially the center to reduce the bulk. be able to. As a result, the large and bulky locking rod 100 can be downsized to almost half the volume, which is convenient when storing and carrying.

Moreover, since the rod is composed of the hard rod member and the coupling member, the strength is not deteriorated as compared with the usual locking rod. According to the above-described embodiment, the number, shape, and size of the rod members and the structure, size, material, and position of the connecting member are properly selected, and the locking rod 100 is foldably provided so that it can be stored. The locking rod 100 can be folded and not bulky when carrying or carrying. The coupling member is not limited to the above-mentioned ones, and various materials such as metals and various structures can be used, but those having high strength are preferable in order to prevent theft.

Further, in the above-described embodiment, the number of rod members is two, but the number of rod members is not limited to this, and it is possible to provide several rod members for a large locking device to further reduce the size. it can. Further, although the locking rod 100 is U-shaped, the locking rod 100 may have an elliptical bulging shape or a polygonal shape in order to make the main body 300 smaller.

The locking mechanism including the locking rod 100 and the locking mechanism 320 is not limited to this embodiment, and a mechanism having a generally known configuration can be adopted. Although the embodiments of the present invention have been described above, the present invention is not limited to these embodiments, and it is needless to say that the present invention can be implemented in various modes without departing from the scope of the present invention.

[0018]

[Effect of device]

 As described above in detail, according to the folding type locking device of the present invention, there is an excellent effect that it is not bulky when it is stored or carried. Moreover, since the rod member and the coupling member can be made of a hard material, the strength of the locking rod can be kept less than that of a normal locking rod.

[Brief description of drawings]

FIG. 1 is a front view showing the folding type locking device of the above embodiment at the time of locking.

FIG. 2 is a front view when the tablet is unlocked.

3A and 3B are explanatory views of the locking rod in the folded state of the above-described embodiment, (A) is a right side view thereof, and (B) is a rear view thereof.

FIG. 4 is a vertical cross-sectional view showing the folding type locking device of the above-described embodiment at the time of locking.

FIG. 5 is a perspective view showing a fitting of the coupling member of the above embodiment.

[Explanation of symbols]

100 ... Locking rod, 110, 120 ... Rod member, 150 ... Coupling member, 300 ... Main body.

Claims (1)

[Scope of utility model registration request] 1. A loop-shaped locking device, comprising: a locking rod formed by connecting at least two rod members with a foldable connecting member; and a main body for locking the rod members at both ends of the locking rod. A foldable locking device comprising: